New Zealand Gazette – 1999 – No. 149

Page 3553

✨ Reliability Performance Measures



13 OCTOBER NEW ZEALAND GAZETTE 3553

  1. The SAIDI for the total number of interruptions within each interruption class:-

(b) Planned interruptions by Counties Power (minutes) 71.52 96.73 78.61 171.46
(c) Unplanned interruptions originating within Counties Power system (minutes) 154.28 141.96 335.38 295.03
(d) Unplanned interruptions originating with Transpower system Nil Nil Nil 2.09

  1. The SAIFI for the total number of interruptions 3.65 4.31 7.40 5.60

  2. The SAIFI for the total number of interruptions within each interruption class:-

(b) Planned interruptions by Counties Power 0.37 0.59 0.51 0.86
(c) Unplanned interruptions originating within Counties Power system 3.28 3.71 6.89 4.69
(d) Unplanned interruptions originating with Transpower system Nil Nil Nil 0.05

  1. The CAIDI for the total of all interruptions (minutes) 61.88 55.38 55.97 83.72

  2. The CAIDI for the total number of interruptions within each interruption class:-

(b) Planned interruptions by Counties Power (minutes) 193.29 163.95 154.57 199.16
(c) Unplanned interruptions originating within Counties Power system (minutes) 47.04 38.26 48.69 62.9
(d) Unplanned interruptions originating within Transpower system (minutes) Nil Nil Nil 45.56

Number of customers has been calculated as the average of opening and closing figures for the year.

  1. Interruption targets for the following financial year for:

(a) Planned interruptions by the line owner (Class B) 180
(b) Unplanned interruptions originating within the works of the line owner (Class C) 100

  1. Average interruption targets for the following year and the subsequent 4 financial years

(a) Planned interruptions by Counties Power (Class B) (minutes) 147
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 82

  1. Average SAIDI targets for the following financial year and the subsequent 4 financial years

(a) Planned interruptions by Counties Power (Class B) (minutes) 52
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 128

  1. SAIFI targets for the following financial year for

(a) Planned interruptions by Counties Power (Class B) (minutes) 0.3
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 3.2

  1. Average SAIFI targets for the following financial year and the subsequent 4 financial years

(a) Planned interruptions by Counties Power (Class B) (minutes) 0.3
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 3.06

  1. CAIDI targets for the following financial year for

(a) Planned interruptions by Counties Power (Class B) (minutes) 183
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 42

  1. Average CAIDI targets for the following financial year and the subsequent 4 financial years

(a) Planned interruptions by Counties Power (Class B) (minutes) 173
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 42

  1. (b) Total number of faults per 100 circuit kilometres of prescribed voltage electric line targeted for the following financial year

11 kV overhead 5.5
22 kV overhead 5.5
33 kV overhead 3.5
Total 5.12

  1. (c) Average number of faults per 100 circuit kilometres of prescribed voltage electric line targeted for the following financial year and the subsequent 4 financial years

11 kV overhead 4.6
22 kV overhead 4.6
33 kV overhead 2.3
Total 4.2

  1. SAIDI targets for the following financial year for

(a) Planned interruptions by Counties Power (Class B) (minutes) 55
(b) Unplanned interruptions originating within the works of Counties Power (Class C) (minutes) 135



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✨ LLM interpretation of page content

🌾 Reliability Performance Measures for Counties Power Limited (continued from previous page)

🌾 Primary Industries & Resources
Reliability performance, Interruptions, Planned interruptions, Unplanned interruptions, Class C interruptions, Faults per circuit kilometre, SAIDI, SAIFI, CAIDI